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less flexible sidewalls
6 x 5mm x 1pc
The right side helps reduce underhood heat given off by the exhaust system for a more consistent running engine
Holds clutch securely on the taper while servicing the spider
holds and keeps all accessories neatly organized
Renthal 1230-520-49GPSI Twinring Heavy Duty Rear Sprocket - 49T engine-valve-train-rocker-arms less flexible sidewallsMaterial: Aluminum Sprocket Position: Rear Sprocket Size: 520 Sprocket Teeth: 49 Unique flat face design keeps weight to a minimum and means the TwinRing is as narrow as a regular chainwheel. Inner Ring is high strength Ultralight 7075 T6 Aluminum. Outer Ring is Electroless Nickel Coated steel. Outer is expanded at 200C and then fitted to inner, creating a permanent bond for the life of the sprocket. Precision CNC machined to extremely tight
